Who called from 2179997858

Got a call yesterday.

"Congratulations, you have won $25,000 from your entry in a drawing...." I never entered a drawing.

Hello my name is adams and im calling from the claims department and you won 20 thousand dollars in an entery you enetered 18 months ago please call back to this toll free number  18005781697 ...i dont ever remember entering any sweepstakes

Got three phone calls from this number in past hour.

Arnold from claims dept looking for a call back on "entry" I made 18 months ago for some undisclosed sweepstake for 25,000 cash.
Haven't entered any sweepstakes. His call back number :
800 578 1697